How Much Does Asphalt Weigh?

Driveway weight by thickness

Most residential asphalt is a surface layer 2 to 3 inches thick; commercial lots and heavy-truck aprons run 4 inches or more. Because asphalt adds a fixed weight per inch, you can size a job straight off its square footage. Every inch adds about 12 pounds per square foot (145 divided by 12).

Flip it around for the "per ton" question people ask at the quarry scale: one ton of asphalt covers about 80 square feet at 2 inches, 55 at 3 inches, and roughly 160 at a 1-inch overlay. A small 3-inch driveway is already 9 tons of asphalt, which is what decides your whole disposal plan.

The gravel base is part of the load

Asphalt rarely sits on bare dirt. Under it is 4 to 8 inches of compacted aggregate base at about 130 pounds per cubic foot. Skim just the asphalt and that base stays put. Dig down to regrade or rebuild, though, and the base often weighs as much as the asphalt on top of it, sometimes more. Broken base rock packs into a dumpster around 2,800 pounds per cubic yard, denser than the asphalt itself.

What this means when you rent a dumpster

Broken asphalt doesn't stack solid. Busted into chunks, it packs into a container at roughly 2,400 pounds per cubic yard, down from the 3,900 of a solid yard but still heavy enough to fill a weight cap fast.

Run it against a real container. A 20-yard dumpster often carries a 3-ton weight cap. At about 1.2 tons per cubic yard of rubble, you hit that cap with roughly 2.5 cubic yards loaded, and the other 17 yards of space are dead weight you can't legally use. A single 500 sq ft driveway at 3 inches is 9 tons of asphalt, three full 3-ton loads. Go over and you're paying overage fees, usually 50 to 100 dollars per ton.

We recommend the small-and-heavy move here: for an asphalt-only tear-out, rent a 10-yard Low-Boy rated for 10 tons, not the biggest roll-off on the lot. Volume is never your constraint with asphalt; weight is. A heavy-debris container you only part-fill beats a 30-yard box you can never legally load.

One more thing haulers care about: many won't accept asphalt mixed with household trash, wood, or dirt clumps, because they route clean asphalt to recycling. Ask before you load and keep the load clean, or you'll get hit with a contamination charge that erases the savings.

Recycle it before you landfill it

Asphalt is the most recycled material in the country. Reclaimed asphalt pavement (RAP) gets milled, crushed, and mixed back into new hot-mix, so clean broken asphalt has real value at the plant. An asphalt producer or a construction-and-demolition recycler will usually take it cheaper than a landfill, and sometimes for nothing.

We recommend calling a local asphalt plant before you book a landfill-bound dumpster. Keep the load clean (no dirt clumps, no wood, no concrete mixed in) and you'll pay less to get rid of it, or nothing at all. If a hauler is doing the tear-out, ask where the asphalt goes; a good one recycles it by default.

Reference Sources

The 145 pounds per cubic foot figure is the standard compacted density for dense-graded hot-mix asphalt. Different aggregate sizes and mix designs run from about 140 to 150; compaction moves it too. We use 145 because it's the accepted planning value and rounding conservatively keeps you from underestimating a load.

• Density (145 lb/ft³): Asphalt Institute and the National Asphalt Pavement Association put compacted hot-mix at 140–150 lb/ft³; state DOT paving factors (about 110 lbs per square yard per inch) agree.
• Broken debris (~2,400 lb/yd³): derived from the solid density, with chunks packing at roughly 60% of solid; consistent with our asphalt driveway calculator.
• Loose C&D debris factor: U.S. EPA Volume-to-Weight Conversion Factors (2016), used here only to show why the 773 lb/yd³ diversion factor understates real rubble.

Related Pages

Know the weight; now size the container. These tools do the disposal math for asphalt and related heavy debris.

Common questions